large concerns. jamie colby joins us in new york city. so what is going on here, jamie? >> reporter: there are large concerns and it is pretty serious why we're talking about it again. martha, it has been already five days and there is no sign of this 11-year-old cancer patient known only as emily but authorities haven't given up hope. they have actually expanded their search and making clear that time is not on their side. take a look at this. this is a snippet of surveillance video they're working with, showing emily inside the phoenix children's hospital where she has been treated for lukemia a day before her scheduled discharge. you see her without a wig and iv pole. her mom puts her in different clothes and disguise that allowed her to go undedected outside the hospital as police are describes an as black van. a alert nurse quickly contacted 911. the catheter in emily's heart, doctors say, if it becomes infected could have deadly consequences. the little girl had one arm amputated from a previous infection. >> i can tell you we have searched for these, location of t